CBS Sunday Morning February 3, 2019

An end to food allergies?; Almanac: Tail fins; Waffle House, the home of Southern comfort; Factum Arte, where high-tech meets timeless craft; Sunny days on "Sesame Street"; Mister Mayor; It's Sam Elliott season; See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.